2021 GMC YUKON

If you're searching for a 2021 GMC Yukon SLT 4x4 for sale in Detroit, MI, your search ends here. Number 1 Car Company, located in Detroit in Wayne County, has this stunning Onyx Black Yukon SLT ready for you to take home — and with zero miles on the odometer, this is as close to a brand-new experience as you'll find on a used lot.

About This 2021 GMC Yukon SLT 4x4

This 2021 GMC Yukon SLT is a full-size SUV that delivers everything Michigan families and professionals demand — commanding presence, genuine capability, and a premium interior that punches well above its class. The Onyx Black exterior gives it an aggressive, polished look that turns heads whether you're cruising Woodward Avenue or heading up north for the weekend. With zero recorded miles, this Yukon has essentially never been driven, making it a rare opportunity to own a nearly new vehicle without the new-car price tag. Stock #1261 is ready for inspection, a test drive, and delivery on your schedule.

2021 GMC Yukon SLT Performance and Engine

EcoTec3 5.3L V8 — Power When It Counts

Under the hood of this Yukon SLT sits GMC's legendary EcoTec3 5.3L V8 engine, producing 355 horsepower and 383 lb-ft of torque. That's serious muscle for merging onto I-75, towing a boat to Lake St. Clair, or hauling the whole family across Wayne County without breaking a sweat. The V8 is paired with a smooth 10-speed automatic transmission that keeps the engine in its optimal power band at virtually every speed — improving both performance and fuel efficiency compared to older six- and eight-speed units.

The 4x4 drivetrain means this Yukon is ready for Michigan winters. Whether you're navigating icy side streets in Detroit or pushing through fresh snow on a weekend trip up north, the Yukon's 4-wheel drive system delivers the traction and confidence you need year-round. Dynamic Fuel Management technology allows the V8 to deactivate cylinders when full power isn't needed, helping balance that big-engine performance with reasonable efficiency at the pump.

GMC Yukon SLT Features and Interior

What the SLT Trim Delivers

The SLT is a genuinely well-equipped trim level that sits a solid step above the base SLE while offering most of the luxury features buyers expect in this class. Inside, you'll find premium leather-appointed seating, a large infotainment display with wireless Apple CarPlay and Android Auto connectivity, and a Bose premium audio system that makes every commute worth the drive. Tri-zone automatic climate control keeps everyone comfortable from the front row to the third row.

Safety and driver assistance technology is also well-represented on the SLT, including lane keep assist, forward collision alert, automatic emergency braking, rear camera, and available blind-zone alert. The interior space itself is a standout — the 2021 Yukon's full redesign brought significantly more third-row legroom and an available power-retractable third row, making this a true three-row SUV rather than a compromise.

GMC Yukon Reliability and Ownership

The GMC Yukon has built a decades-long reputation as one of America's most dependable full-size SUVs, and the 2021 model year represents a meaningful generational leap. The 5.3L EcoTec3 V8 is one of the most proven engines in the GM lineup — owners consistently report strong longevity well past 200,000 miles with proper maintenance. The 10-speed automatic is a modern, refined unit that has earned strong marks from both drivers and automotive reviewers.

The 2021 redesign addressed longtime criticisms of the previous generation, particularly around interior quality and third-row access. J.D. Power and Consumer Reports both recognized improvements in this generation. For buyers in Michigan, the Yukon's 4x4 capability and robust construction make it an especially practical long-term ownership proposition. Parts availability and service expertise are widespread throughout Wayne County and the broader metro area, keeping ownership costs manageable.

Why Buy From Number 1 Car Company in Detroit, MI

Number 1 Car Company has been serving buyers in Detroit and throughout Wayne County with a straightforward, customer-first approach. When you visit the dealership, you won't find high-pressure tactics — just knowledgeable staff who want to match you with the right vehicle at the right value. This Yukon SLT with zero miles is priced competitively; see the current price displayed on this page for the most up-to-date figure.

The team at Number 1 Car Company understands what Detroit-area drivers need from a vehicle — reliability through harsh winters, space for real life, and the confidence that comes from buying from a dealer who stands behind what they sell. Every vehicle goes through a thorough inspection process before it's offered for sale.

Financing a Used GMC Yukon Near Detroit

Number 1 Car Company works with a wide network of lenders to help buyers throughout Wayne County get behind the wheel, regardless of their credit situation. Whether your credit is excellent, rebuilding, or somewhere in between, the finance team will work to find loan terms that fit your budget. First-time buyers, recent graduates, and buyers with prior credit challenges are all welcome to apply.

The process is straightforward — you can get pre-approved online before you even step foot in the dealership, saving time and taking the guesswork out of the buying experience. Come in, take this Yukon for a test drive, and let the team put together a finance solution that works for you.

Frequently Asked Questions

Is the 2021 GMC Yukon SLT a good buy?

Absolutely. The 2021 model year introduced a ground-up redesign that dramatically improved interior quality, third-row space, and ride comfort over its predecessor. The SLT trim offers a generous feature set that includes leather seating, premium audio, and advanced safety technology, making it one of the best values in the full-size SUV segment.

What does the SLT trim include on the 2021 Yukon?

The SLT trim includes leather-appointed seating, a premium infotainment system with Apple CarPlay and Android Auto, Bose audio, tri-zone automatic climate control, a suite of driver safety assists, and power-adjustable front seats, among other features. It's a significant step up from the base SLE without reaching the higher price point of the Denali.

How many miles is too many on a used Yukon?

The 5.3L EcoTec3 V8 found in the Yukon is well-known for its durability. With proper maintenance, these engines routinely surpass 200,000 miles. This particular Yukon has zero miles, making mileage a non-issue — it's essentially an undriven vehicle.

Is the 2021 GMC Yukon 4x4 good in Michigan winters?

Yes. The 4x4 system on the Yukon is well-suited to Michigan's winter conditions, providing enhanced traction on snow, ice, and slush. Combined with the torque-rich 5.3L V8, it handles cold-weather driving with confidence.

What is the towing capacity of the 2021 GMC Yukon 5.3L V8?

The 2021 Yukon equipped with the 5.3L EcoTec3 V8 and 4x4 drivetrain is rated to tow up to approximately 8,000 pounds when properly equipped — more than enough for boats, trailers, and campers common among Michigan outdoor enthusiasts.

Serving Detroit and Surrounding Areas

Number 1 Car Company, located in Detroit in Wayne County, proudly serves buyers from across the greater metro area. Customers regularly make the trip from Dearborn, Livonia, Southfield, Warren, Sterling Heights, Ann Arbor, Pontiac, and communities throughout Oakland and Macomb counties. Whether you're coming from the eastern suburbs or driving in from the west side of the metro, this Yukon SLT is worth the trip.

Detroit sits at the heart of one of America's great automotive regions, and Number 1 Car Company is proud to serve the drivers who know cars best — the people of Wayne County and the broader Metro Detroit community.

Contact Number 1 Car Company Today

Ready to see this 2021 GMC Yukon SLT 4x4 in Onyx Black up close? Call Number 1 Car Company today at 313-425-8616 to schedule your test drive or ask any questions about Stock #1261. You can also stop by the dealership in Detroit, MI, and let our team walk you through every feature this exceptional Yukon has to offer. With zero miles and a premium trim level, vehicles like this don't last long — reach out today and make it yours.